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Primary Retinal Detachment

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Post-Gonin Era 15<br />

Intraocular Tamponade<br />

Another technique to help appose retina and choroid that could be<br />

used in conjunction with other procedures was injection of air into<br />

the vitreous cavity. Originally described by Ohm in 1911 and then<br />

by Rohmer in 1912, injection of air at the end of the operation was<br />

adopted by Arruga in 1935,and to close retinal breaks by Rosengren<br />

in 1938 [32, 34, 139]. Rosengren carefully localized retinal breaks,<br />

then placed penetrating diathermy in a pattern covering an area<br />

6–7 mm in diameter with drainage of subretinal fluid. He injected<br />

air into the vitreous cavity, then positioned the patient postoperatively<br />

such that the air bubble closed the retinal breaks and apposed<br />

the retina to the RPE. Rosengren reported successful retinal<br />

reattachment in 75% of 300 cases with the technique [45].<br />

Later Norton concluded that large breaks may respond better to<br />

tamponade by air than by a scleral buckle alone; however, air did<br />

not persist long enough in the eye [140]. He introduced sulfur<br />

hexafluoride (SF6) gas for internal tamponade of retinal breaks.<br />

Pure SF6 expands approximately twice its injected volume in the<br />

eye and persists twice as long as a comparable air bubble. Inert perfluorocarbon<br />

gases, introduced by Vygantas (C4F8) and Lincoff<br />

(C2F6, C3F8, C4F10), expanded more and lasted even longer than<br />

SF6 in the eye [141, 142].<br />

Cibis in 1962 was the first to report the use of silicone oil for<br />

treatment of retinal detachment [143]. The complications of silicone<br />

oil made its usage unfavorable at that time. Haut in 1978 introduced<br />

the use of silicone oil with vitrectomy [144]. Zivojnovic<br />

became the major advocate of silicone oil in combination with<br />

“retinal surgery” (relaxing retinectomy) to treat severe proliferative<br />

vitreoretinopathy and traumatic retinal detachments [145].<br />

Parke and Aaberg first reported the technique of argon laser endophotocoagulation<br />

in conjunction with vitrectomy, retinectomy,<br />

and intraocular gas for the management of PVR [146]. Development<br />

of air pumps was also an important landmark, so retinas<br />

could be reattached with a fluid-air exchange in a controlled fash-

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